Cryo-focused ion beam preparation of perovskite based solar cells for atom probe tomography.

PLoS One · 2020 · PMC6964857 · PMID 31945119

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a clear trendno p-value reported

A clear trend was found: the nominal Pb:I ratio from 6 cryo-prepared specimens is mostly maintained (1:2.7±0.62) whereas specimens milled at room temperature exhibited significant loss of iodine, down to a ratio of 3:1.

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